wat watch. we see with bob corker that he is not going to run again. >> why did donald trump support luther strange? roy moore is the outsider, the heir to donald trump's wave? why support the establishment guy? >> reporter: it's very strange. >> mm-hmm. >> i'll show myself out. if you go through the profile of these two candidates, much more in line with donald trump's views, donald trump's view, donald trump's tone is roy moore. and it's not even close. why did he do it? mercurial. at the time he did it he was trying to do nice, do mcmcconnell a favor, do republican senators a favor